@book{UBHD-1047358, organization={UNESCO}, title={The conservation of cities}, publisher={Croom Helm}, address={London}, year={1975}, pages={186 S.}, language={eng}, isbn={92-3-101087-5 and 978-92-3-101087-3}, keywords={Stadtplanung / Denkmalpflege}, library={UB [Signatur: 75 B 2833]}, }